wine making

Member Inquiry – Blush, Blanc, and Rose Wine Grapes

  “I have seen some of the same grapes used to make ‘blush,’ ‘blanc,’ and ‘rose’ wines In some cases they are produced by the same winery! Could you tell me what the difference is?” Dr. T. R. E.; Bakersfield I’m not sure I can because there is no code, law or regulation which governs… read more »

The Sulfite Story

“Dear Paul, I have heard that sulfites are used as preservatives in wine. I am inclined to be a natural food enthusiast and avoid preservatives. I receive conflict­ing answers to the sulfite story. Some say it is a natural product in wine, and others say it is added. Which is it?” – W.O.; Bakersfield The… read more »

Fermentation

Fermentation is the transformation of sugar into gases, acids, or alcohol. During fermentation, the yeasts converts sugar into carbon dioxide and ethanol to become alcohol. Speed, temperature, and oxygen levels are an important factors that play in the fermentation.

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